Adjustable: Adjust the height of the support arm to accommodate a range of positions and heights to position the door at the desired height Stable Support: The support arm provides stable support for the door, allowing it to be held in one hand while the other hand is free to attach the hinges to the cabinet, allowing you to quickly clamp the door mounting jig in place Easy to Use: Simply clamp it on the door and adjust the screws to adjust the position of the door and screw the door firmly to the cabinet Multi-purpose: It is suitable for various types of doors and cabinets up to 2 inches thick, including framed and frameless cabinets; bathroom cabinets; closets; etc. Time Saving: It helps you to install the door in much less time and saves you the time and trouble of adjusting the door position during the installation process, Manufacturer: shaojian